ADS6149 datasheet(39/70 Pages) TI

39 / 70 page

Input Amplitude − dBFS

100

110

−60

−50

−40

−30

−20

−10

G049

SFDR (dBc)

SFDR (dBFS)

SNR (dBFS)

fIN = 60 MHz

VCM − Common-Mode Voltage of Analog Inputs − V

1.35

1.40

1.45

1.50

1.55

1.60

1.65

fIN = 60 MHz

G050

SNR

SFDR

DRVDD − Supply Voltage − V

G052

1.6

1.7

1.8

1.9

2.0

SNR

SFDR

fIN = 60.1 MHz

AVDD = 3.3 V

AVDD − Supply Voltage − V

G051

2.9

3.0

3.1

3.2

3.3

3.4

3.5

3.6

3.7

SNR

SFDR

fIN = 60.1 MHz

DRVDD = 1.8 V

ADS6149/ADS6129

ADS6148/ADS6128

www.ti.com ..................................................................................................................................................... SLWS211B – JULY 2008 – REVISED OCTOBER 2008

TYPICAL CHARACTERISTICS - ADS6129 (continued)

All plots are at 25°C, AVDD = 3.3 V, DRVDD = 1.8 V, maximum rated sampling frequency, sine wave input clock. 1.5 VPP

differential clock amplitude, 50% clock duty cycle, –1 DBFS differential analog input, internal reference mode, 0 dB gain,

LVDS output interface (unless otherwise noted)

PERFORMANCE

INPUT AMPLITUDE

INPUT COMMON-MODE VOLTAGE

Figure 61.

Figure 62.

PERFORMANCE

AVDD SUPPLY

DRVDD SUPPLY

Figure 63.

Figure 64.

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Product Folder Link(s): ADS6149/ADS6129 ADS6148/ADS6128

ADS6149 Datasheet(PDF) 39 Page - Texas Instruments

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